Sylvania LC420SS8, Руководство по обслуживанию

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7-3
Audio-1 Block Diagram
A81H1BLA1
DIGIT
AL MAIN CB
A UNIT
J
A
CK CB
A
SIDE J
A
CK CB
A
IC7001 (INPUT SELECT)
(INPUT SELECT)
SW CTL
13
1 2 4 5
12 11
9
10
SW CTL
10
9
11
STEREO FIL
TER
75uS DE-EMPH
dBX DE-EMPH
L+R FIL
TER
WIDE BAND FIL
TER
WIDE BAND RMS DET
WIDE BAND EXP
AND
SPECTRAL EXP
AND
SPECTRAL RMS DET
SPECTRAL FIL
TER
OFFSET CANCEL
L-CH R-CH
MA
TRIX
AG
C
OFFSET CANCEL
L-R FIL
TER
(L-R)/SAP SW
SAP FIL
TER
SAP DEMOD
SAP OUT FIL
TER
A
UDIO1
(L-CH)
(R-CH)
21
3
IC3001
(MTS/SAP A
UDIO SIGNAL PR
OCESS)
COMPONENT
-
A
UDIO(L)-IN2
JK7006
TU3001(TUNER UNIT)
SIF
COMPONENT
-
A
UDIO(R)-IN2
JK7502
A
UDIO(L)
-IN2 A
UDIO(R)
-IN2
OFFSET CANCEL
JK4006
HDMI- A
UDIO(L)-IN
HDMI- A
UDIO(R)-IN
JK4005
PC- A
UDIO-IN
3
A
UDIO(L)
-IN1
JK7002
A
UDIO(R)
-IN1
JK7004
COMPONENT
-
A
UDIO(L)-IN1
COMPONENT
-
A
UDIO(R)-IN1
15
COMP1 COMP2
SIF/BB SW
INPUT VCA
SIF DEMOD
FIL
TER
CF3001
A
UDIO2
A
UDIO1
COMP1 COMP2 A
UDIO2
14
AUDIO SIGNAL
CL7002B
CL7002A
99
A
UDIO(R)-IN2
77
A
UDIO(L)-IN2
CN7001
A
U
DIO-SW4
A
U
DIO-SW5
CN3707
TO A
U
DIO-2
BLOCK DIA
GRAM
12
29
SEL-A
UDIO(R)
14
27
SEL-A
UDIO(L)
15
26
A
UDIO-SW5
16
25
A
UDIO-SW4
Q7001
Q7002
Q3807
Q3808
Q3809
12 13 15
1
12 13 15
1
3 3
IC3802 IC3801 (INPUT SELECT)
SW CTL
10
9
11
A
U
DIO-SW3
A
U
DIO-SW1 A
UDIO(L)
A
UDIO(R)
A
U
DIO-SW2
29 30
Q3006 B
U
FFER
Q3005 B
U
FFER
TUNER SEL PC HDMI TUNER SEL PC HDMI
BUFFER
Q3811
BUFFER
Q3810
WF7
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
GRAM